CVE-2026-109657 Frappe ERPNext 16.x before 16.27.0 Stored XSS via Unescaped Record Name
Attackers with edit rights can inject malicious scripts via record names, executing code in colleagues' browsers to potentially hijack accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-109657?
CVE-2026-109657 is a medium-severity cross-site scripting vulnerability in frappe erpnext, published on 12 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Frappe ERPNext 16.x before 16.27.0 contains a stored cross-site scripting vulnerability that allows users with edit rights to inject script through a record name rendered without escaping. Attackers can set a malicious record name so the script runs in the browser of any colleague who opens the page.
Weakness: CWE-79
Which versions are affected by CVE-2026-109657?
How do I fix CVE-2026-109657?
No fix has been published for CVE-2026-109657 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-109657 being exploited?
There is no known exploitation of CVE-2026-109657 in the wild and no public exploit code.
Sources
Also known as GHSA-mvr5-2j8r-53p4, GHSA-q3p4-7c35-89wj.